Most Relevant Verses
'You shall not uncover the nakedness of a woman and of her daughter, nor shall you take her son's daughter or her daughter's daughter, to uncover her nakedness; they are blood relatives. It is lewdness.
'None of you shall approach any blood relative of his to uncover nakedness; I am the LORD.
'You shall not uncover the nakedness of your father, that is, the nakedness of your mother. She is your mother; you are not to uncover her nakedness.
'The nakedness of your sister, either your father's daughter or your mother's daughter, whether born at home or born outside, their nakedness you shall not uncover.
'You shall not marry a woman in addition to her sister as a rival while she is alive, to uncover her nakedness.
'If there is a man who lies with a menstruous woman and uncovers her nakedness, he has laid bare her flow, and she has exposed the flow of her blood; thus both of them shall be cut off from among their people.
'If there is a man who takes his sister, his father's daughter or his mother's daughter, so that he sees her nakedness and she sees his nakedness, it is a disgrace; and they shall be cut off in the sight of the sons of their people. He has uncovered his sister's nakedness; he bears his guilt.
'If there is a man who takes his brother's wife, it is abhorrent; he has uncovered his brother's nakedness. They will be childless.